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Searched for action. Results 1021 to 1030 of 1153 total matches.

Inclisiran (Leqvio) for LDL-Cholesterol Lowering

   
The Medical Letter on Drugs and Therapeutics • Mar 21, 2022  (Issue 1646)
MECHANISM OF ACTION — Circulating PCSK9 binds to LDL receptors on hepatocytes, promoting receptor ...
The FDA has approved inclisiran (Leqvio – Novartis), a small interfering RNA (siRNA) directed to proprotein convertase subtilisin/kexin type 9 (PCSK9) mRNA, as an adjunct to diet and maximally tolerated statin therapy for subcutaneous (SC) treatment of adults with heterozygous familial hypercholesterolemia (HeFH) or clinical atherosclerotic cardiovascular disease (ASCVD) who require additional lowering of low-density lipoprotein cholesterol (LDL-C). Inclisiran is the first FDA-approved PCSK9-directed siRNA therapeutic agent.
Med Lett Drugs Ther. 2022 Mar 21;64(1646):43-5 |  Show IntroductionHide Introduction

Ublituximab (Briumvi) for Relapsing Multiple Sclerosis

   
The Medical Letter on Drugs and Therapeutics • Mar 06, 2023  (Issue 1671)
OF ACTION ― Ublituximab binds to the CD20 surface antigen on pre-B and mature B lymphocytes, leading ...
The FDA has approved the recombinant chimeric anti-CD20 antibody ublituximab-xiiy (Briumvi – TG Therapeutics) for IV treatment of adults with relapsing forms of multiple sclerosis (MS), including clinically isolated syndrome (initial neurological episode), relapsing-remitting disease, and active secondary progressive MS (SPMS). Two other anti-CD20 antibodies, IV ocrelizumab (Ocrevus) and SC ofatumumab (Kesimpta), are also FDA-approved for these indications.
Med Lett Drugs Ther. 2023 Mar 6;65(1671):36-8   doi:10.58347/tml.2023.1671c |  Show IntroductionHide Introduction

Tirzepatide (Zepbound) for Chronic Weight Management

   
The Medical Letter on Drugs and Therapeutics • Dec 25, 2023  (Issue 1692)
, lipid levels, and A1C were also observed with tirzepatide.3,4 MECHANISM OF ACTION — Acting ...
The injectable glucose-dependent insulinotropic polypeptide (GIP)/glucagon-like peptide-1 (GLP-1) receptor agonist tirzepatide, which was approved by the FDA as Mounjaro for treatment of type 2 diabetes in 2022, has now been approved as Zepbound (Lilly) for chronic weight management in adults who have a BMI ≥30 kg/m2 or a BMI ≥27 kg/m2 and at least one weight-related comorbidity. The injectable GLP-1 receptor agonists liraglutide (Saxenda) and semaglutide (Wegovy) are approved for chronic weight management in patients ≥12 years...
Med Lett Drugs Ther. 2023 Dec 25;65(1692):205-7   doi:10.58347/tml.2023.1692c |  Show IntroductionHide Introduction

Seladelpar (Livdelzi) for Primary Biliary Cholangitis

   
The Medical Letter on Drugs and Therapeutics • Jan 20, 2025  (Issue 1720)
. MECHANISM OF ACTION — Seladelpar inhibits bile acid synthesis through activation of PPAR-delta ...
Seladelpar (Livdelzi – Gilead), a peroxisome proliferator-activated receptor (PPAR)-delta agonist, has received accelerated approval from the FDA for use in combination with ursodeoxycholic acid (ursodiol, UDCA; Urso Forte, and generics) for treatment of primary biliary cholangitis (PBC) in adults who had an inadequate response to UDCA and as monotherapy in those unable to tolerate UDCA. Accelerated approval was based on a reduction in alkaline phosphatase (ALP) levels. Seladelpar is the second PPAR agonist to be approved in the US for this indication; elafibranor (Iqirvo)...
Med Lett Drugs Ther. 2025 Jan 20;67(1720):13-5   doi:10.58347/tml.2025.1720d |  Show IntroductionHide Introduction

Vadadustat (Vafseo) for Anemia of Chronic Kidney Disease

   
The Medical Letter on Drugs and Therapeutics • Feb 17, 2025  (Issue 1722)
MECHANISM OF ACTION — Hypoxia-inducible factor (HIF) is a key regulator of erythropoietin gene expression ...
The FDA has approved the hypoxia-inducible factor prolyl hydroxylase inhibitor (HIF-PHI) vadadustat (Vafseo – Akebia) for oral treatment of anemia due to chronic kidney disease (CKD) in adults who have been on dialysis for at least 3 months. Vadadustat is the second HIF-PHI to be approved in the US for this indication; daprodustat (Jesduvroq) was approved earlier, but it was withdrawn from the US market in 2024 for commercial reasons.
Med Lett Drugs Ther. 2025 Feb 17;67(1722):27-9   doi:10.58347/tml.2025.1722b |  Show IntroductionHide Introduction

Guselkumab (Tremfya) for Ulcerative Colitis

   
The Medical Letter on Drugs and Therapeutics • Mar 17, 2025  (Issue 1724)
or in combination with a biologic drug.4-6 MECHANISM OF ACTION — IL-23 is a proinflammatory cytokine involved ...
The interleukin (IL)-23 antagonist guselkumab (Tremfya – Janssen Biotech) has now been approved by the FDA for treatment of moderately to severely active ulcerative colitis (UC) in adults; it was approved earlier for treatment of plaque psoriasis and psoriatic arthritis. Guselkumab is the third IL-23 antagonist to be approved in the US for treatment of UC; risankizumab (Skyrizi) and mirikizumab (Omvoh) were approved earlier.
Med Lett Drugs Ther. 2025 Mar 17;67(1724):46-8   doi:10.58347/tml.2025.1724d |  Show IntroductionHide Introduction

Mirikizumab (Omvoh) – An IL-23 Antagonist for Crohn's Disease

   
The Medical Letter on Drugs and Therapeutics • May 12, 2025  (Issue 1728)
inhibitor.3,4 MECHANISM OF ACTION — IL-23 is a proinflammatory cytokine involved in the pathogenesis of CD ...
The injectable interleukin (IL)-23 antagonist mirikizumab-mrkz (Omvoh – Lilly) is now FDA-approved for treatment of moderately to severely active Crohn's disease (CD) in adults. Mirikizumab was approved in 2023 for treatment of ulcerative colitis. Two other IL-23 antagonists, risankizumab (Skyrizi) and guselkumab (Tremfya), are also approved for treatment of CD.
Med Lett Drugs Ther. 2025 May 12;67(1728):78-80   doi:10.58347/tml.2025.1728d |  Show IntroductionHide Introduction

Drugs for Common Eye Disorders

   
The Medical Letter on Drugs and Therapeutics • Dec 02, 2019  (Issue 1586)
with or without glaucoma. The mechanism of action is not clear, but may be related to a marijuana-induced ...
This issue includes reviews of drugs for glaucoma, age-related macular degeneration (AMD), bacterial conjunctivitis, and dry eye disease. Allergic conjunctivitis is reviewed in a separate issue.
Med Lett Drugs Ther. 2019 Dec 2;61(1586):187-94 |  Show IntroductionHide Introduction

Drugs for Vomiting Caused by Cancer Chemotherapy

   
The Medical Letter on Drugs and Therapeutics • Dec 24, 1993  (Issue 912)
and vomiting. ONDANSETRON — Ondansetron (on dan’ se tron; Zofran) antagonizes the action of serotonin ...
Several currently available antiemetic drugs can prevent vomiting caused by cancer chemotherapy. Anticancer drugs that cause vomiting are listed in the table below.
Med Lett Drugs Ther. 1993 Dec 24;35(912):124-6 |  Show IntroductionHide Introduction

Atazanavir (Reyataz) and Emtricitabine (Emtriva) for HIV Infection

   
The Medical Letter on Drugs and Therapeutics • Nov 10, 2003  (Issue 1169)
. MECHANISM OF ACTION — Atazanavir is an azapeptide PI that is structurally different from older PIs ...
Atazanavir (Reyataz - Bristol-Myers Squibb), a new protease inhibitor (PI), and emtricitabine (Emtriva - Gilead), a nucleoside analogue reverse transcriptase inhibitor (NRTI) chemically similar to lamivudine, have been approved by the FDA for treatment of HIV-1 infection. Both are taken once daily, unlike most anti-HIV drugs.
Med Lett Drugs Ther. 2003 Nov 10;45(1169):90-2 |  Show IntroductionHide Introduction